Number is WAR (baseball-reference+Davenport). It's the best WAR. Trust me.
Catcher
1. Buster Posey SFG 7.2
2. Russell Martin Tor 4.05
3. Francisco Cervelli Pit 3.35
4. Brian McCann NYY 3.3
5. Stephen Vogt Oak 3
First Basemen
1. Paul Goldschmidt Ari 8.85
2. Joey Votto Cin 7.25
3. Anthony Rizzo ChC 6.6
4. Miguel Cabrera Det 5.7
5. Adrian Gonzalez LAD 5.15
Second Basemen
1. Dee Gordon Mia 5.5
3. Jose Altuve Hou 5.4
3. Ian Kinsler Det 5.3
4. Jason Kipnis Cle 4.25
5. Logan Forsythe TB 4
Shortstop
1. Brandon Crawford SFG 5.95
2. Carlos Correa Hou 4.35
3. Xavier Bogaerts Bos 4.15
4. Francisco Lindor Cle 4.15,
5. Elvis Andrus Tex 3.3
Third Basemen
1. Josh Donaldson Tor 8.1
2. Manny Machado Balt 6.8
3. Nolan Arenado Col 6.3
4. Kris Bryant ChC 6
5. Matt Duffy SFG 4.55
Left Fielders
1.Yoennis Cespedes NYM 5.35
2. David Peralta Ari 4.95
3. Justin Upton SD 4.2
4. Michael Brantley Cle 3.95
5. Christian Yelich Mia 3.85
Center Fielders
1. Mike Trout LAA 9.1 AL MVP
2. AJ Pollock Ari 6.7
3. Lorenzo Cain KC 6.45
4. Kevin Kiermaier TB 6.4
5. Mookie Betts Bos 4.55
Right Fielders
1. Bryce Harper Wash 10.15 NL MVP
2. Jason Heyward StL 5.85,
3. Nelson Cruz Sea 5.5
4. Jose Bautista Tor 5.05
5. Curtis Granderson NYM 4.7
Designated Hitter
1. Edwin Encarnacion Tor 4.95
2. David Ortiz Bos 3.45
3. Alex Rodriguez NYY 3.1
Starting Pitchers
1. Zach Greinke LAD 10.05 NL Cy
2. Jake Arrieta ChC 9.45
3. Clayton Kershaw LAD 7.8
4. Dallas Keuchel Hou 7.45 AL Cy
5. Max Scherzer Wash 7.4
6. Madison Bumgarner SFG 6.15
7. David Price Tor 5.95
8. John Lackey StL 5.8
9. Sonny Gray Oak 5.7
10. Gerrit Cole Pit 5.6
Relief Pitchers
1. Wade Davis KC 4.25
2. Aroldis Chapman Cin 4.15
3. Dellin Betances NYY 4.05
4. Trevor Rosenthal StL 3.95
5. Jeurys Familia NYM 3.85
